Home / 20,730,757.95-31,096,130.85-11,132,933.49

Finding the Fourth Proportional to 20,730,757.95, 31,096,130.85 and 11,132,933.49

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Solution

The fourth proportional to 20,730,757.95, 31,096,130.85 and 11,132,933.49 is: 16,699,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,730,757.95 : 31,096,130.85 = 11,132,933.49 : x
  2. Step 2: Convert to fraction form
    20,730,757.95/31,096,130.85 = 11,132,933.49/x
  3. Step 3: Cross multiply
    20,730,757.95x = 31,096,130.85 × 11,132,933.49
  4. Step 4: Simplify right side
    20,730,757.95x = 346,191,156,549,387.19
  5. Step 5: Solve for x
    x = 346,191,156,549,387.19/20,730,757.95
  6. Step 6: Final answer
    x = 16,699,396.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.